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Transport measurements suggest that the Fermi surface of a cuprate superconductor changes its form when the pseudogap is present. This can help to explain the low carrier density in the pseudogap regime.
Nonlinear phononics is a method for creating transient structural changes in solids, but its effect is limited to the region of optical excitation. Now, coupling to a propagating polariton allows nonlinear phononics to drive a nonlocal response.
A combination of numerical simulations and fluid dynamics experiments provides insights into the generation of a forest of solar plasma jets on the Sun.
Soft clamping reduces the dissipation of nanomechanical resonators, but this method has been limited to amorphous materials. When applied in crystalline silicon, it enables resonators with quality factors beyond ten billion.
Visualizing the structural dynamics of isolated molecules would help to understand chemical reactions, but this is difficult for complex structures. Intense femtosecond X-ray pulses allow the full imaging of exploding photoionized molecules, in this case, with eleven atoms.
Whether or not an electron wavepacket accumulates a time delay when tunnelling out of an atom is still under debate. Improved all-optical characterization of the tunnelling dynamics by combining one- and two-colour driving fields may shed light on this question.
In its second measurement campaign, the Karlsruhe Tritium Neutrino experiment achieved a sub-electronvolt sensitivity on the effective electron anti-neutrino mass.
Topological phenomena have mostly been studied in conservative systems. Experiments on optical resonator networks now show that topologically non-trivial characteristics can also emerge in dissipation.
The activity of molecular motors drives the self-organization of cytoskeleton structures, leading to large-scale active flows. Now, experiments and simulations show how a gelation process enables such long-range transport in spindles.
Physical systems with continuous degrees of freedom can be used to implement quantum error correction codes. An autonomous correction protocol has now been used to extend the lifetime of a qubit encoded in the motion of a trapped ion.
Electrons in an external magnetic field absorb electromagnetic radiation via cyclotron resonance. Deviations from this behaviour in the form of overtone resonances due to ultraslow magnetoplasmonic excitations are now reported for graphene.
Topological effects have been found in a range of classical-wave systems, but it was unclear if the concept could be extended to diffusion. An approach using spatiotemporal modulations has now implemented them in a diffusive system
α-RuCl has a quantum magnetic phase that may be a spin liquid hosting Majorana fermion excitations. Heat capacity measurements show an anisotropic dependence on magnetic-field direction, consistent with predictions for the putative spin liquid.
Optimally depositing optical energy into an extended region of a diffusive medium, such as biological tissue, is a challenging task. A matrix that maps the incoming wavefront to the field distribution inside the material can predict the energy enhancement that occurs at a given depth.
Perturbations and disturbances can bring complex networks into undesirable states in which global functionality is suppressed. Now, a recovery scheme explains how to revive a damaged network by controlling only a small number of nodes.
Spectroscopic measurements show how the features of the band structure related to the kagome lattice in CsV3Sb5 contribute to the observed strongly correlated phases.
The beating of motile cilia arises from the collective action of hundreds of proteins. A study of the dynamics of cilia under different environmental and genetic conditions shows that the space of beating variations is low-dimensional.
Infrared images of Jupiter taken by the Juno spacecraft reveal an energy transfer driven by moist convection. This mechanism is expected to enhance heat transfer, which might also be relevant to Earth’s atmosphere.
In stellarators, turbulence is detrimental for the confinement of the plasma. In the Large Helical Device, a confinement regime with reduced turbulence and improved confinement is observed.
In systems with no symmetry, local operations can combine to make any unitary transformation across a whole quantum system, but if symmetries limit the allowed operations, they cannot all be generated using local transformations.